CN203452667U - High-strength petroleum tool joint - Google Patents
High-strength petroleum tool joint Download PDFInfo
- Publication number
- CN203452667U CN203452667U CN201320440513.5U CN201320440513U CN203452667U CN 203452667 U CN203452667 U CN 203452667U CN 201320440513 U CN201320440513 U CN 201320440513U CN 203452667 U CN203452667 U CN 203452667U
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- China
- Prior art keywords
- joint
- boss
- female
- female joint
- male joint
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- Expired - Fee Related
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Abstract
The utility model discloses a high-strength petroleum tool joint which comprises a high-strength petroleum tool joint body, a male joint, a female joint and a sealing lantern ring. The tail end of the male joint is provided with outer threads, the front end of the female joint is provided with inner threads, the male joint and the female joint are connected in a screwed mode through the outer threads and the inner threads, and the sealing lantern ring is arranged on the connecting portion of the male joint and the female joint; the inner sealing face and the outer sealing face of the connection portion of the male joint and the female joint are respectively provided with a high-strength rubber pad; the tail end of the male joint is provided with a male joint boss, the front end of the female joint is provided with a female joint boss, the male joint boss and the female joint boss are arranged in the sealing lantern ring in a sealing mode, and the high-strength rubber pads extend outwards to the portion between the male joint boss and the female joint boss. According to the high-strength petroleum tool joint, the twisting strength and the sealing performance of the petroleum tool joint are further improved, the service life of the petroleum tool joint is prolonged, and the structure is simple.
Description
Technical field
The utility model relates to a kind of tool joint, relates in particular to a kind of high strength petroleum tool joint.
Background technology
Tool joint is subject to the power of all directions in rotary drilling process, and male joint and the female joint of the tool joint of prior art are threaded connection, stressed not buffering, and in drilling process, male joint and female joint extruding can cause even fracture of distortion, distortion.
Summary of the invention
The purpose of this utility model: a kind of high strength petroleum tool joint is provided, there is the features such as high torsional resistance and high sealing performance.
To achieve these goals, the technical solution of the utility model is:
A kind of high strength petroleum tool joint, comprise high strength petroleum tool joint, comprise male joint, female joint and sealing ring, the tail end of described male joint is established external screw thread, the front end of described female joint is established internal thread, described male joint and female joint spin by external screw thread and internal thread, and described sealing ring is arranged on described male joint and the junction of female joint; On the inner sealing surface that described male joint and female joint connect and external seal face, be respectively equipped with high-strength rubber pad; The tail end of described male joint is provided with male joint boss, the front end of described female joint is provided with female joint boss, described male joint boss and the sealing of female joint boss are arranged in described sealing ring, and high-strength rubber pad extends outwardly between described male joint boss and female joint boss.
Above-mentioned high strength petroleum tool joint, wherein, described male joint boss and described male joint are structure as a whole, and described female joint boss and described female joint are structure as a whole.
Above-mentioned high strength petroleum tool joint, wherein, described male joint boss and female joint boss are at right angles trapezoidal, and described male joint boss and female joint boss height identical.
Above-mentioned high strength petroleum tool joint, wherein, described male joint and the both sides of the connection of thread between female joint are respectively equipped with cavity, and described cavity extends to respectively described high-strength rubber pad place to both sides.
The utility model has further improved torsional strength and the sealing performance of joint of petroleum drill rod, has extended the application life of joint of petroleum drill rod, simple in structure.
Accompanying drawing explanation
Fig. 1 is the half sectional view of the utility model high strength petroleum tool joint.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Refer to shown in accompanying drawing 1, a kind of high strength petroleum tool joint, comprise male joint 1, female joint 2 and sealing ring 3, the tail end of described male joint 1 is established external screw thread, the front end of described female joint 2 is established internal thread, described male joint 1 and female joint 2 spin by external screw thread and internal thread, and described sealing ring 3 is arranged on described male joint 1 and the junction of female joint 2; On the inner sealing surface that described male joint 1 and female joint 2 connect and external seal face, be respectively equipped with high-strength rubber pad 4; The tail end of described male joint 1 is provided with male joint boss 5, the front end of described female joint 2 is provided with female joint boss 6, described male joint boss 5 and 6 sealings of female joint boss are arranged in described sealing ring 3, and high-strength rubber pad 4 extends outwardly between described male joint boss 5 and female joint boss 6.
Described male joint boss 5 is structure as a whole with described male joint 1, and described female joint boss 6 is structure as a whole with described female joint 2.
Described male joint boss 5 and female joint boss 6 are at right angles trapezoidal, and described male joint boss 5 and female joint boss 6 highly identical.
Described male joint 1 and the both sides of the connection of thread between female joint 2 are respectively equipped with cavity 7, and described cavity 7 extends to respectively described high-strength rubber pad 4 places to both sides.
In sum, the utility model has further improved torsional strength and the sealing performance of joint of petroleum drill rod, has extended the application life of joint of petroleum drill rod, simple in structure.
Claims (4)
1. a high strength petroleum tool joint, it is characterized in that: comprise high strength petroleum tool joint, comprise male joint (1), female joint (2) and sealing ring (3), the tail end of described male joint (1) is established external screw thread, the front end of described female joint (2) is established internal thread, described male joint (1) and female joint (2) spin by external screw thread and internal thread, and described sealing ring (3) is arranged on described male joint (1) and the junction of female joint (2); On the inner sealing surface that described male joint (1) and female joint (2) connect and external seal face, be respectively equipped with high-strength rubber pad (4); The tail end of described male joint (1) is provided with male joint boss (5), the front end of described female joint (2) is provided with female joint boss (6), described male joint boss (5) and female joint boss (6) sealing are arranged in described sealing ring (3), and high-strength rubber pad (4) extends outwardly between described male joint boss (5) and female joint boss (6).
2. high strength petroleum tool joint according to claim 1, is characterized in that: described male joint boss (5) is structure as a whole with described male joint (1), and described female joint boss (6) is structure as a whole with described female joint (2).
3. high strength petroleum tool joint according to claim 1, is characterized in that: described male joint boss (5) and female joint boss (6) are at right angles trapezoidal, and described male joint boss (5) and female joint boss (6) highly identical.
4. high strength petroleum tool joint according to claim 1, it is characterized in that: the both sides of the connection of thread between described male joint (1) and female joint (2) are respectively equipped with cavity (7), described cavity (7) extends to respectively described high-strength rubber pad (4) and locates to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440513.5U CN203452667U (en) | 2013-07-24 | 2013-07-24 | High-strength petroleum tool joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440513.5U CN203452667U (en) | 2013-07-24 | 2013-07-24 | High-strength petroleum tool joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203452667U true CN203452667U (en) | 2014-02-26 |
Family
ID=50132552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320440513.5U Expired - Fee Related CN203452667U (en) | 2013-07-24 | 2013-07-24 | High-strength petroleum tool joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203452667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953290A (en) * | 2014-05-26 | 2014-07-30 | 贵州大学 | Drill holding reversing drainage device for threaded connection type spiral drill pipe |
-
2013
- 2013-07-24 CN CN201320440513.5U patent/CN203452667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953290A (en) * | 2014-05-26 | 2014-07-30 | 贵州大学 | Drill holding reversing drainage device for threaded connection type spiral drill pipe |
| CN103953290B (en) * | 2014-05-26 | 2016-04-13 | 贵州大学 | One realizes screw connected auger stem and embraces brill reversion withdrawing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20160724 |